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Optimize stepThread by reducing the number of calls to peekStack

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This commit is contained in:
David Aylaian 2017-12-27 19:44:49 -05:00
parent 9d5bbdbf3a
commit a22879631f
1 changed files with 2 additions and 3 deletions
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5
src/engine/sequencer.js
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@ -174,7 +174,8 @@ class Sequencer {
// A "null block" - empty branch.
thread.popStack();
}
while (thread.peekStack()) {
// Save the current block ID to notice if we did control flow.
while ((currentBlockId = thread.peekStack()) !== 0) {
let isWarpMode = thread.peekStackFrame().warpMode;
if (isWarpMode && !thread.warpTimer) {
// Initialize warp-mode timer if it hasn't been already.
@ -183,8 +184,6 @@ class Sequencer {
thread.warpTimer.start();
}
// Execute the current block.
// Save the current block ID to notice if we did control flow.
currentBlockId = thread.peekStack();
if (this.runtime.profiler !== null) {
if (executeProfilerId === -1) {
executeProfilerId = this.runtime.profiler.idByName(executeProfilerFrame);